(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[13]KM[0.00]TM[]
PW[none]PB[none]AW[fl][gl][hl][il][jl][hm][jm]AB[ck][ek][fk][gk][hk][ik][jk][kk][cl][kl]C[How can black kill white ? You must sacrifice stones to succeed.]
;B[fm]CR[fm]
;W[el]CR[el]
;B[em]CR[em]
;W[dm]CR[dm]
;B[dl]CR[dl]
;W[gm]CR[gm]
;B[em]CR[em]C[RIGHT You got white =^.^= . This technique of sacrificing a stone on a connection point is called Horikomi.])